/* ===== Modern Article Detail Styles - Enhanced Version ===== */

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --accent-color: #667eea;
    --accent-hover: #5568d3;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --border-light: #edf2f7;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
}

/* ===== Main Container ===== */
.article-detail {
    animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Article Header - Enhanced ===== */
.article-header {
    position: relative;
    padding: 3rem 0 2rem;
    margin-bottom: 3rem;
}

.article-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--accent-color) 0%, transparent 100%);
}

.article-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
    animation: slideInLeft 0.8s ease-out;
    position: relative;
}

.article-title::selection {
    background: var(--accent-color);
    color: white;
}

/* Добавим красивый градиент только для первой буквы */
.article-title::first-letter {
    font-size: 1.3em;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ===== Article Meta - Enhanced ===== */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.65rem 1.2rem;
    background: var(--bg-white);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    border: 1px solid var(--border-light);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.article-meta span:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.article-meta i {
    color: var(--accent-color);
    font-size: 1.15rem;
    transition: var(--transition-fast);
}

.article-meta span:hover i {
    transform: scale(1.2);
}

/* Красивые иконки для разных типов meta */
.article-meta .meta-author {
    background: linear-gradient(135deg, #e0e7ff 0%, #ffffff 100%);
}

.article-meta .meta-date {
    background: linear-gradient(135deg, #fef3c7 0%, #ffffff 100%);
}

.article-meta .meta-views {
    background: linear-gradient(135deg, #dcfce7 0%, #ffffff 100%);
}

.article-meta .meta-category {
    background: linear-gradient(135deg, #ffe4e6 0%, #ffffff 100%);
}

/* ===== Article Image - Enhanced ===== */
.article-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    margin-bottom: 3rem;
    background: var(--bg-light);
}

.article-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, transparent 50%);
    z-index: 1;
    opacity: 0;
    transition: var(--transition);
}

.article-image:hover::before {
    opacity: 1;
}

.article-image img {
    width: 100%;
    height: auto;
    max-height: 650px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: zoom-in;
}

.article-image:hover img {
    transform: scale(1.08);
}

.article-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, 
        transparent 0%, 
        rgba(0,0,0,0.03) 50%,
        rgba(0,0,0,0.08) 100%);
    pointer-events: none;
    z-index: 1;
}

/* Кнопка увеличения изображения */
.image-zoom-icon {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-color);
    cursor: pointer;
    z-index: 2;
    box-shadow: var(--shadow-md);
    opacity: 0;
    transform: scale(0.8);
    transition: var(--transition);
}

.article-image:hover .image-zoom-icon {
    opacity: 1;
    transform: scale(1);
}

.image-zoom-icon:hover {
    background: var(--accent-color);
    color: white;
    transform: scale(1.1);
}

/* ===== Image Zoom Overlay ===== */
.image-zoom-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    cursor: zoom-out;
    animation: fadeIn 0.3s ease;
}

.image-zoom-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-zoom-overlay img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

/* ===== Article Content - Enhanced ===== */
.article-anons {
    position: relative;
    font-size: 1.25rem;
    line-height: 1.9;
    color: var(--text-secondary);
    padding: 2rem 2.5rem;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, #f0f4ff 0%, #fef3ff 50%, #f0f9ff 100%);
    border-left: 5px solid var(--accent-color);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    box-shadow: var(--shadow-md);
    font-style: italic;
    font-weight: 500;
}

.article-anons::before {
    content: '"';
    position: absolute;
    top: -15px;
    left: 15px;
    font-size: 5rem;
    color: var(--accent-color);
    opacity: 0.15;
    font-family: Georgia, serif;
    font-weight: 700;
    line-height: 1;
}

.article-anons::after {
    content: '';
    position: absolute;
    top: 10px;
    right: 10px;
    width: 50px;
    height: 50px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.article-text {
    font-size: 1.125rem;
    line-height: 2;
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    letter-spacing: 0.01em;
}

.article-text p {
    margin-bottom: 1.75rem;
    text-align: justify;
}

/* Буквица отключена для лучшей читабельности 
.article-text > p:first-of-type::first-letter {
    font-size: 3.5em;
    font-weight: 700;
    line-height: 0.85;
    float: left;
    margin: 0.1em 0.15em 0 0;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
*/

.article-text h2,
.article-text h3,
.article-text h4 {
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 0.75rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.article-text h2 {
    font-size: 2rem;
}

.article-text h3 {
    font-size: 1.5rem;
}

.article-text h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 4px;
}

.article-text h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--secondary-gradient);
    border-radius: 3px;
}

.article-text ul,
.article-text ol {
    margin-bottom: 2rem;
    padding-left: 2.5rem;
}

.article-text li {
    margin-bottom: 1rem;
    line-height: 1.9;
    position: relative;
}

.article-text ul li::before {
    content: '▸';
    position: absolute;
    left: -1.5rem;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.2em;
}

.article-text a {
    color: var(--accent-color);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: var(--transition);
    font-weight: 600;
    position: relative;
}

.article-text a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.article-text a:hover::before {
    width: 100%;
}

.article-text a:hover {
    color: var(--accent-hover);
}

.article-text blockquote {
    margin: 3rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #fff5f7 100%);
    border-left: 5px solid var(--accent-color);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-style: italic;
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.article-text blockquote::before {
    content: '\201C';
    position: absolute;
    top: -10px;
    left: 10px;
    font-size: 4rem;
    color: var(--accent-color);
    opacity: 0.2;
    font-family: Georgia, serif;
}

.article-text img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 3rem 0;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    cursor: pointer;
}

.article-text img:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

.article-text code {
    background: linear-gradient(135deg, #fef3c7 0%, #fee2e2 100%);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-family: 'SF Mono', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    color: #dc2626;
    font-weight: 600;
    border: 1px solid rgba(220, 38, 38, 0.1);
}

.article-text pre {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #f1f5f9;
    padding: 2rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 3rem 0;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.article-text pre::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.article-text pre code {
    background: none;
    color: inherit;
    padding: 0;
    border: none;
    font-size: 0.95rem;
}

/* Таблицы */
.article-text table {
    width: 100%;
    margin: 2rem 0;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.article-text th,
.article-text td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.article-text th {
    background: var(--primary-gradient);
    color: white;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

.article-text tbody tr {
    background: white;
    transition: var(--transition-fast);
}

.article-text tbody tr:hover {
    background: var(--bg-light);
    transform: scale(1.01);
}

.article-text tbody tr:last-child td {
    border-bottom: none;
}

/* ===== Social Share Buttons - Enhanced ===== */
.social-share {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    border-radius: var(--border-radius);
    margin: 3rem 0;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.social-share-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.social-share-title i {
    color: var(--accent-color);
    font-size: 1.3rem;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.75rem;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.share-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s ease;
}

.share-btn:hover::before {
    left: 100%;
}

.share-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.share-btn:active {
    transform: translateY(-1px) scale(1.02);
}

.share-btn i {
    font-size: 1.2rem;
}

.share-btn-facebook {
    background: linear-gradient(135deg, #1877f2 0%, #1453b0 100%);
    color: white;
}

.share-btn-twitter {
    background: linear-gradient(135deg, #1da1f2 0%, #0d8bd9 100%);
    color: white;
}

.share-btn-linkedin {
    background: linear-gradient(135deg, #0077b5 0%, #005a8a 100%);
    color: white;
}

.share-btn-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #1ea952 100%);
    color: white;
}

.share-btn-telegram {
    background: linear-gradient(135deg, #0088cc 0%, #0066aa 100%);
    color: white;
}

.share-btn-copy {
    background: linear-gradient(135deg, #718096 0%, #4a5568 100%);
    color: white;
}

.share-btn-copy.copied {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.share-btn-copy.copied::after {
    content: '✓ Скопировано!';
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: #10b981;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
    animation: fadeInOut 2s ease;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0; transform: translateX(-50%) translateY(5px); }
    10%, 90% { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ===== Related Articles - Enhanced ===== */
.related-articles {
    margin-top: 5rem;
    padding: 4rem 0;
    position: relative;
}

.related-articles::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--accent-color) 50%, transparent 100%);
}

.related-articles h3 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 3rem;
    position: relative;
    padding-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.related-articles h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100px;
    height: 5px;
    background: var(--primary-gradient);
    border-radius: 5px;
}

.related-articles h3::before {
    content: '✨';
    margin-right: 1rem;
    font-size: 1.8rem;
}

.related-articles .card {
    border: none;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    height: 100%;
    background: var(--bg-white);
    position: relative;
}

.related-articles .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.related-articles .card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
}

.related-articles .card:hover::before {
    opacity: 0.03;
}

.related-articles .card-img-top {
    height: 240px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.related-articles .card:hover .card-img-top {
    transform: scale(1.15);
}

.related-articles .card-body {
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.related-articles .card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.related-articles .card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-articles .card-title a:hover {
    color: var(--accent-color);
}

.related-articles .card-text {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-articles .card-footer {
    background: transparent;
    border-top: 1px solid var(--border-light);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.related-articles .card-footer i {
    color: var(--accent-color);
    margin-right: 0.4rem;
}

.related-articles .read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-color);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
}

.related-articles .read-more:hover {
    gap: 0.75rem;
}

.related-articles .read-more i {
    transition: var(--transition-fast);
}

.related-articles .read-more:hover i {
    transform: translateX(5px);
}

/* ===== Reading Progress Bar - Enhanced ===== */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 5px;
    background: var(--primary-gradient);
    z-index: 10000;
    transition: width 0.05s linear;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.reading-progress::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 30px;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.5) 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

/* ===== Scroll to Top Button - Enhanced ===== */
.scroll-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.75rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.scroll-to-top::before {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: var(--primary-gradient);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    animation: bounceIn 0.6s ease;
}

.scroll-to-top:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.5);
}

.scroll-to-top:hover::before {
    opacity: 0.3;
}

.scroll-to-top:active {
    transform: translateY(-5px) scale(1.05);
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3) translateY(20px);
    }
    50% {
        transform: scale(1.1) translateY(-5px);
    }
    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* ===== Print Styles - Enhanced ===== */
.print-button {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.75rem;
    background: white;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    font-size: 0.95rem;
}

.print-button i {
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

.print-button:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.print-button:hover i {
    transform: scale(1.2);
}

.print-button:active {
    transform: translateY(-1px);
}

/* ===== Article Actions - Enhanced ===== */
.article-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin: 3rem 0;
    padding: 2rem;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.5rem;
    background: white;
    border: 2px solid var(--border-color);
    color: var(--text-primary);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    font-size: 0.95rem;
}

.action-btn i {
    font-size: 1.15rem;
    transition: var(--transition-fast);
}

.action-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.action-btn:hover i {
    transform: scale(1.2);
}

.action-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: white;
}

.action-btn-bookmark.bookmarked {
    background: var(--secondary-gradient);
    border-color: transparent;
    color: white;
}

.action-btn-bookmark.bookmarked:hover {
    transform: translateY(-3px) scale(1.05);
}

/* ===== Enhanced Table of Contents ===== */
.table-of-contents {
    position: sticky;
    top: 120px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
    border: 1px solid rgba(102,126,234,0.15);
    transition: var(--transition);
    max-height: calc(100vh - 160px);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--bg-light);
}

.table-of-contents::-webkit-scrollbar {
    width: 6px;
}

.table-of-contents::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 10px;
}

.table-of-contents::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 10px;
    transition: var(--transition);
}

.table-of-contents::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

.table-of-contents:hover {
    box-shadow: var(--shadow-xl);
    border-color: rgba(102,126,234,0.25);
}

.table-of-contents h4 {
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid rgba(102,126,234,0.2);
    position: relative;
}

.table-of-contents h4::before {
    content: '📑';
    font-size: 1.5rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-3px); }
}

.table-of-contents ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.table-of-contents li {
    margin-bottom: 0.25rem;
}

.table-of-contents a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    position: relative;
    border-left: 3px solid transparent;
    font-size: 0.95rem;
    line-height: 1.4;
}

.table-of-contents a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, rgba(102,126,234,0.1), transparent);
    transition: width 0.3s ease;
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
    z-index: -1;
}

.table-of-contents a:hover::before {
    width: 100%;
}

.table-of-contents a:hover {
    color: var(--accent-color);
    padding-left: 1.25rem;
    font-weight: 600;
    border-left-color: var(--accent-color);
    background: rgba(102,126,234,0.05);
}

.table-of-contents a.active {
    color: var(--accent-color);
    font-weight: 700;
    border-left-color: var(--accent-color);
    background: linear-gradient(90deg, rgba(102,126,234,0.15), rgba(102,126,234,0.05));
    box-shadow: 0 2px 8px rgba(102,126,234,0.2);
}

.table-of-contents a.active::before {
    width: 100%;
}

/* Стили для иконок и номеров разделов */
.table-of-contents .section-number {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-color);
    min-width: 1.5rem;
    text-align: center;
    background: rgba(102,126,234,0.1);
    border-radius: 50%;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.table-of-contents .toc-icon {
    font-size: 1rem;
    transition: var(--transition);
}

.table-of-contents a:hover .section-number {
    background: var(--accent-color);
    color: white;
    transform: scale(1.1);
}

.table-of-contents a:hover .toc-icon {
    transform: scale(1.2);
}

.table-of-contents a.active .section-number {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 2px 6px rgba(102,126,234,0.3);
}

/* Разные уровни заголовков */
.table-of-contents a[data-level="h1"] {
    font-size: 1rem;
    font-weight: 700;
    padding-left: 1rem;
}

.table-of-contents a[data-level="h2"] {
    font-size: 0.95rem;
    padding-left: 1.25rem;
}

.table-of-contents a[data-level="h3"] {
    font-size: 0.9rem;
    padding-left: 1.75rem;
    opacity: 0.9;
}

.table-of-contents a[data-level="h4"],
.table-of-contents a[data-level="h5"],
.table-of-contents a[data-level="h6"] {
    font-size: 0.85rem;
    padding-left: 2.25rem;
    opacity: 0.8;
}

.table-of-contents a[data-level="h3"] .section-number,
.table-of-contents a[data-level="h4"] .section-number,
.table-of-contents a[data-level="h5"] .section-number,
.table-of-contents a[data-level="h6"] .section-number {
    width: 1.25rem;
    height: 1.25rem;
    font-size: 0.75rem;
}

/* Кнопка сворачивания/разворачивания */
.toc-toggle {
    position: absolute !important;
    top: 1rem !important;
    right: 1rem !important;
    background: none !important;
    border: none !important;
    font-size: 1.2rem !important;
    cursor: pointer !important;
    color: var(--accent-color) !important;
    transition: transform 0.3s ease !important;
    z-index: 10 !important;
    padding: 0.25rem !important;
    border-radius: 50% !important;
    width: 2rem !important;
    height: 2rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.toc-toggle:hover {
    background: rgba(102,126,234,0.1) !important;
    transform: scale(1.1) !important;
}

/* Счетчик разделов */
.toc-counter {
    font-size: 0.9rem !important;
    opacity: 0.7 !important;
    font-weight: normal !important;
    margin-left: 0.5rem !important;
}

/* Подсветка заголовков */
.highlighted-heading {
    background: linear-gradient(90deg, rgba(102,126,234,0.2), transparent) !important;
    padding: 0.5rem 1rem !important;
    border-radius: var(--border-radius-sm) !important;
    transition: all 0.3s ease !important;
    border-left: 4px solid var(--accent-color) !important;
    margin-left: -1rem !important;
    box-shadow: 0 2px 12px rgba(102,126,234,0.2) !important;
}

/* Анкорные ссылки для заголовков */
.heading-anchor {
    opacity: 0 !important;
    margin-left: 0.5rem !important;
    color: var(--accent-color) !important;
    text-decoration: none !important;
    transition: opacity 0.3s ease !important;
    font-size: 0.8em !important;
}

.heading-anchor:hover {
    opacity: 1 !important;
    color: var(--accent-hover) !important;
}

/* Анимация появления TOC */
.table-of-contents {
    animation: slideInFromRight 0.6s ease-out;
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Индикатор прогресса чтения в TOC */
.reading-progress-indicator {
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--primary-gradient);
    transition: height 0.1s ease;
    border-radius: 0 3px 3px 0;
}

/* Hover эффекты для всего TOC */
.table-of-contents:hover .section-number {
    box-shadow: 0 0 0 2px rgba(102,126,234,0.2);
}

/* Адаптивные стили для TOC */
@media (max-width: 991px) {
    .table-of-contents {
        position: relative;
        top: 0;
        margin-bottom: 3rem;
        max-height: 300px;
    }
    
    .table-of-contents h4 {
        font-size: 1.2rem;
    }
    
    .table-of-contents a {
        padding: 0.6rem 0.8rem;
        font-size: 0.9rem;
    }
    
    .table-of-contents a[data-level="h2"] {
        padding-left: 1rem;
    }
    
    .table-of-contents a[data-level="h3"] {
        padding-left: 1.5rem;
    }
}

@media (max-width: 576px) {
    .table-of-contents {
        padding: 1.5rem;
        margin-bottom: 2rem;
        max-height: 250px;
    }
    
    .table-of-contents h4 {
        font-size: 1.1rem;
        margin-bottom: 1rem;
    }
    
    .table-of-contents a {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
        gap: 0.5rem;
    }
    
    .section-number {
        width: 1.25rem !important;
        height: 1.25rem !important;
        font-size: 0.7rem !important;
    }
    
    .toc-icon {
        font-size: 0.9rem !important;
    }
}

/* ===== Responsive Design - Enhanced ===== */
@media (max-width: 1200px) {
    .article-title {
        font-size: 2.75rem;
    }
    
    .article-text {
        font-size: 1.075rem;
    }
    
    .table-of-contents {
        top: 100px;
    }
}

@media (max-width: 992px) {
    .article-title {
        font-size: 2.25rem;
    }
    
    .article-anons {
        font-size: 1.15rem;
        padding: 1.75rem 2rem;
    }
    
    .article-text {
        font-size: 1.05rem;
    }
    
    .article-meta {
        gap: 0.85rem;
    }
    
    .social-share {
        flex-direction: column;
    }
    
    .social-share-title {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .table-of-contents {
        position: relative;
        top: 0;
        margin-bottom: 3rem;
    }
    
    .related-articles .card-img-top {
        height: 220px;
    }
    
    .scroll-to-top {
        bottom: 30px;
        right: 30px;
        width: 55px;
        height: 55px;
    }
}

@media (max-width: 768px) {
    .article-header {
        padding: 2rem 0 1.5rem;
    }
    
    .article-title {
        font-size: 1.95rem;
    }
    
    .article-anons {
        font-size: 1.075rem;
        padding: 1.5rem 1.75rem;
    }
    
    .article-text {
        font-size: 1.025rem;
        line-height: 1.85;
    }
    
    /* Буквица отключена для мобильных
    .article-text > p:first-of-type::first-letter {
        font-size: 3em;
    }
    */
    
    .article-meta {
        flex-direction: column;
        gap: 0.75rem;
        padding: 1.25rem;
    }
    
    .article-meta span {
        width: 100%;
        justify-content: center;
    }
    
    .social-share {
        padding: 1.5rem;
    }
    
    .share-btn {
        width: 100%;
        justify-content: center;
    }
    
    .article-actions {
        flex-direction: column;
        padding: 1.5rem;
    }
    
    .action-btn,
    .print-button {
        width: 100%;
        justify-content: center;
    }
    
    .scroll-to-top {
        bottom: 25px;
        right: 25px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .related-articles {
        margin-top: 3rem;
        padding: 3rem 0;
    }
    
    .related-articles h3 {
        font-size: 1.85rem;
    }
    
    .related-articles .card-img-top {
        height: 200px;
    }
    
    .article-image img {
        max-height: 400px;
    }
}

@media (max-width: 576px) {
    .article-header {
        padding: 1.5rem 0 1rem;
        margin-bottom: 2rem;
    }
    
    .article-title {
        font-size: 1.65rem;
        margin-bottom: 1.25rem;
    }
    
    .article-anons {
        font-size: 1rem;
        padding: 1.25rem 1.5rem;
        margin-bottom: 2rem;
    }
    
    .article-anons::before {
        font-size: 4rem;
        top: -12px;
    }
    
    .article-text {
        font-size: 1rem;
        line-height: 1.8;
    }
    
    /* Буквица отключена для малых экранов
    .article-text > p:first-of-type::first-letter {
        font-size: 2.5em;
        margin: 0.05em 0.1em 0 0;
    }
    */
    
    .article-text h2 {
        font-size: 1.65rem;
        margin-top: 2.5rem;
    }
    
    .article-text h3 {
        font-size: 1.35rem;
        margin-top: 2rem;
    }
    
    .article-image {
        border-radius: var(--border-radius);
        margin-bottom: 2rem;
    }
    
    .article-image img {
        max-height: 280px;
    }
    
    .image-zoom-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
        bottom: 15px;
        right: 15px;
    }
    
    .social-share,
    .article-actions {
        padding: 1.25rem;
        margin: 2rem 0;
    }
    
    .share-btn,
    .action-btn,
    .print-button {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
    }
    
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 48px;
        height: 48px;
        font-size: 1.35rem;
    }
    
    .related-articles {
        margin-top: 2.5rem;
        padding: 2.5rem 0;
    }
    
    .related-articles h3 {
        font-size: 1.65rem;
        margin-bottom: 2rem;
    }
    
    .related-articles .card-img-top {
        height: 180px;
    }
    
    .related-articles .card-body {
        padding: 1.5rem;
    }
    
    .table-of-contents {
        padding: 1.5rem;
    }
    
    .table-of-contents h4 {
        font-size: 1.15rem;
    }
}

@media (max-width: 400px) {
    .article-title {
        font-size: 1.45rem;
    }
    
    .article-anons {
        font-size: 0.95rem;
        padding: 1rem 1.25rem;
    }
    
    .article-text {
        font-size: 0.95rem;
    }
    
    .scroll-to-top {
        bottom: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
    }
}

/* ===== Print Media Query ===== */
@media print {
    .article-actions,
    .social-share,
    .scroll-to-top,
    .related-articles,
    .article-navigation,
    .reading-progress {
        display: none !important;
    }
    
    .article-detail {
        padding: 0;
        box-shadow: none;
    }
    
    .article-image img {
        max-height: 400px;
    }
}

/* ===== Dark Mode Support - Enhanced ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f7fafc;
        --text-secondary: #cbd5e0;
        --text-muted: #a0aec0;
        --bg-light: #2d3748;
        --bg-white: #1a202c;
        --bg-card: #2d3748;
        --border-color: #4a5568;
        --border-light: #4a5568;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
        --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
    }
    
    .article-header::after {
        background: linear-gradient(90deg, var(--accent-color) 0%, transparent 100%);
    }
    
    .article-meta {
        background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
        border-color: var(--border-color);
    }
    
    .article-meta span {
        background: var(--bg-card);
        border-color: var(--border-color);
    }
    
    .article-meta .meta-author {
        background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    }
    
    .article-meta .meta-date,
    .article-meta .meta-views,
    .article-meta .meta-category {
        background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
    }
    
    .article-anons {
        background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
        color: var(--text-secondary);
    }
    
    .article-text blockquote {
        background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
        color: var(--text-secondary);
    }
    
    .article-text code {
        background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
        border-color: rgba(220, 38, 38, 0.3);
    }
    
    .article-text table th {
        background: var(--primary-gradient);
    }
    
    .article-text tbody tr {
        background: var(--bg-card);
    }
    
    .article-text tbody tr:hover {
        background: #374151;
    }
    
    .social-share,
    .article-actions {
        background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
        border-color: var(--border-color);
    }
    
    .action-btn,
    .print-button {
        background: var(--bg-card);
        color: var(--text-primary);
        border-color: var(--border-color);
    }
    
    .related-articles::before {
        background: linear-gradient(90deg, transparent 0%, var(--accent-color) 50%, transparent 100%);
    }
    
    .related-articles .card {
        background: var(--bg-card);
        color: var(--text-primary);
    }
    
    .related-articles .card-title a {
        color: var(--text-primary);
    }
    
    .related-articles .card-footer {
        border-color: var(--border-color);
    }
    
    .table-of-contents {
        background: var(--bg-card);
        border-color: var(--border-color);
    }
}

/* ===== Accessibility ===== */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===== Loading Animation - Enhanced ===== */
.loading {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(102, 126, 234, 0.2);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 0.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Красивый пульсирующий загрузчик */
.loading-pulse {
    display: inline-flex;
    gap: 0.5rem;
}

.loading-pulse span {
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: pulse 1.4s ease-in-out infinite;
}

.loading-pulse span:nth-child(2) {
    animation-delay: 0.2s;
}

.loading-pulse span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(0.5);
        opacity: 0.3;
    }
    50% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===== Skeleton Loading ===== */
.skeleton {
    background: linear-gradient(90deg, 
        var(--bg-light) 0%, 
        #e2e8f0 50%, 
        var(--bg-light) 100%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--border-radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ===== Tooltips ===== */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    padding: 0.5rem 1rem;
    background: var(--text-primary);
    color: white;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

[data-tooltip]::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--text-primary);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
    opacity: 1;
}

[data-tooltip]:hover::before {
    transform: translateX(-50%) translateY(-12px);
}

/* ===== Image Caption ===== */
.image-caption {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-style: italic;
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--bg-light);
    border-radius: var(--border-radius-sm);
}

/* ===== Highlight Selection ===== */
::selection {
    background: var(--accent-color);
    color: white;
}

::-moz-selection {
    background: var(--accent-color);
    color: white;
}

/* ===== Custom Scrollbar ===== */
.article-text::-webkit-scrollbar {
    width: 12px;
}

.article-text::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 10px;
}

.article-text::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 10px;
    border: 2px solid var(--bg-light);
}

.article-text::-webkit-scrollbar-thumb:hover {
    background: var(--accent-hover);
}

/* ===== Focus Styles ===== */
a:focus,
button:focus,
input:focus {
    outline: 3px solid rgba(102, 126, 234, 0.4);
    outline-offset: 2px;
}

/* ===== Бейдж для новых статей ===== */
.badge-new {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.9rem;
    background: var(--secondary-gradient);
    color: white;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-sm);
    animation: pulse-badge 2s ease-in-out infinite;
}

.badge-new::before {
    content: '✨';
    font-size: 1rem;
}

@keyframes pulse-badge {
    0%, 100% {
        transform: scale(1);
        box-shadow: var(--shadow-sm);
    }
    50% {
        transform: scale(1.05);
        box-shadow: var(--shadow-md);
    }
}

/* ===== Читательский режим ===== */
.reading-mode-active {
    max-width: 750px;
    margin: 0 auto;
}

.reading-mode-active .article-text {
    font-size: 1.2rem;
    line-height: 2.2;
}

.reading-mode-active .article-meta,
.reading-mode-active .social-share,
.reading-mode-active .related-articles {
    opacity: 0.7;
    transition: var(--transition);
}

.reading-mode-active .article-meta:hover,
.reading-mode-active .social-share:hover,
.reading-mode-active .related-articles:hover {
    opacity: 1;
}

/* ===== Кнопка "Читать далее" ===== */
.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.read-more-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.read-more-btn:hover::before {
    width: 300px;
    height: 300px;
}

.read-more-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: var(--shadow-xl);
}

.read-more-btn i {
    transition: var(--transition-fast);
}

.read-more-btn:hover i {
    transform: translateX(5px);
}